feat: add SetOutput for easy testing in caller side

cilog/ado.go

@@ -45,6 +45,10 @@ func AzurePipeline(opts ...AzurePipelineOpts) Logger {
 	return rv
 }
 
+func (apt *azurePipelineT) SetOutput(out io.Writer) {
+	apt.out = out
+}
+
 func (apt *azurePipelineT) Capabilities() map[Capability]struct{} {
 	return map[Capability]struct{}{
 		CapabilityLog:        {},

cilog/ado_test.go

@@ -10,9 +10,8 @@ import (
 
 func TestAzurePipeline(t *testing.T) {
 	b := new(bytes.Buffer)
-	apt := AzurePipeline(applyOptsFunc[azurePipelineT](func(apt *azurePipelineT) {
-		apt.out = b
-	}))
+	apt := AzurePipeline()
+	apt.SetOutput(b)
 
 	caps := apt.Capabilities()
 	assert.Contains(t, caps, CapabilityLog)

cilog/generic.go

@@ -26,6 +26,10 @@ func generic(opts ...applyOpts[genericT]) Logger {
 
 var _ Logger = (*genericT)(nil)
 
+func (gt *genericT) SetOutput(out io.Writer) {
+	gt.out = out
+}
+
 func (gt *genericT) Capabilities() map[Capability]struct{} {
 	return map[Capability]struct{}{
 		CapabilityLog: {},

cilog/generic_test.go

@@ -9,9 +9,8 @@ import (
 
 func TestGeneric(t *testing.T) {
 	b := new(bytes.Buffer)
-	gt := generic(applyOptsFunc[genericT](func(gt *genericT) {
-		gt.out = b
-	}))
+	gt := generic()
+	gt.SetOutput(b)
 
 	caps := gt.Capabilities()
 	assert.Contains(t, caps, CapabilityLog)

cilog/github.go

@@ -33,6 +33,10 @@ func GitHubActions(opts ...GitHubOpts) Logger {
 	return rv
 }
 
+func (gat *githubActionsT) SetOutput(out io.Writer) {
+	gat.out = out
+}
+
 func (gat *githubActionsT) Capabilities() map[Capability]struct{} {
 	return map[Capability]struct{}{
 		CapabilityLog:        {},

cilog/github_test.go

@@ -9,9 +9,8 @@ import (
 
 func TestGitHubActions(t *testing.T) {
 	b := new(bytes.Buffer)
-	gat := GitHubActions(applyOptsFunc[githubActionsT](func(gat *githubActionsT) {
-		gat.out = b
-	}))
+	gat := GitHubActions()
+	gat.SetOutput(b)
 
 	caps := gat.Capabilities()
 	assert.Contains(t, caps, CapabilityLog)

cilog/logger.go

@@ -1,6 +1,10 @@
 package cilog
 
-import "github.com/b4fun/ci"
+import (
+	"io"
+
+	"github.com/b4fun/ci"
+)
 
 type Capability int
 
@@ -35,6 +39,10 @@ type GroupLogParams struct {
 
 // Logger provides improved CI logging output.
 type Logger interface {
+	// SetOutput sets the output of the logger.
+	// This is useful unit testing usage.
+	SetOutput(io.Writer)
+
 	// Capabilities returns the capabilities of the logger.
 	Capabilities() map[Capability]struct{}
 

cilog/mute.go

@@ -1,11 +1,15 @@
 package cilog
 
+import "io"
+
 // Mute implements all Logger methods by muting output.
 type Mute struct {
 }
 
 var _ Logger = (*Mute)(nil)
 
+func (m *Mute) SetOutput(o io.Writer) {}
+
 func (m *Mute) Capabilities() map[Capability]struct{} {
 	return map[Capability]struct{}{}
 }